What is a car electrical system?

This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.

What is an alternator for in a car?

The alternator generates electrical current when the engine is running and charges the battery.

What is the difference between a starter and an alternator?

The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.

How to check if the battery is working?

Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.

What are the most common symptoms of car electrical failure?

Problems starting the engine, flashing warning lights, power windows not working or dimming lights.

Do electrical parts from one model fit another?

Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.

How often should you check your electrical system?

It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Products in promotion

Part no. 6977398

BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7192742

BMW Z4 Series E89 Battery Holder Hold Down Strap Bracket 7192742

€24.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7586426

BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6926961-1

BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7515200

Mini Cooper R50 R52 R53 Battery Wire Cable Negative Earth Lead 7515200

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7168153

BMW MINI Cooper One Clubman R55 R55N LCI Wiper Motor Window Left Rear N/S 716815

€23.95

Free delivery - Tue, Nov 25

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Part no. 9200943

BMW 1 3 Series E81 E87 E90 E91 E92 Ultra Sonic Alarm System Module 9200943

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9160189

BMW 1 Series E87 LCI ECU Body Control Module H2 ECU 9160189

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9154128

BMW Mini Cooper One R56 Front Left Passenger's Door Wiring Harness N/S 9154128

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3412574

BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574

€23.95

Free delivery - Tue, Nov 25

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Part no. 7552697

Mini Cooper One Clubman R55 R56 R57 R59 R60 JCW Engine Starter Motor 7552697

Product currently unavailable

Part no. 9137800

Mini Cooper One R55 R56 R57 Passenger's Door Harness Wiring Cables N/S 9137800

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9125224

BMW 1 3 SERIES E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9125224

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 406349

Mini Cooper One R50 R52 R53 iPod Interface Control Unit Module 0406349

€23.95

Free delivery - Tue, Nov 25

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Part no. 6932644-1

BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3455306

Mini R57 Cabrio Convertible DWA Alarm System Relay ECU 3455306 65753455306

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8363668

BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6931987

BMW 7 Series E65 E66 E67 Control Unit Voice Input System Module 6931987

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3427743

BMW X3 Series E83 Wiring Drivers Side Loom Front Door Cables Right O/S 3427743

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8385157

BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9134482

BMW 1 Series E87 ECU Body Control Module Unit L2 PL2 JBBFE 9134482

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6922262

BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6922262

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7811700-1

BMW 1 3 Series E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700

€113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8509722

BMW 1 Series F20 F21 F22 F30 F31 F35 Control Unit Box Engine 8509722

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7798076

BMW E60 E61 E63 E64 LCI Electrical Battery Earth Cable 330MM 7798076

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8380409

BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9136725

BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136725

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8506199-2

BMW E60 E61 LCI 520d N47 Diesel Engine ECU Kit DDE CAS3 + Key 8506199

€284.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9287433

BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9253111-1

BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3449505

Mini Cooper One R55 R56 Fuse Distribution Box Cover Trim Cap 3449505

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6957761

BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6957761

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9224866

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9143270

Mini Cooper One R50 R53 Loudspeaker Rear 65136801101 6801101

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9240524-1

BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8379941

BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9805524-LW

Mini R60 Rear PDC Ultrasonic Parking Sensor Light White 9805524

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7515197

BMW Mini Cooper One R50 W10 Battery Cable Plus Pole 7515197

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 2751444

Mini R56 DAB/IBOC Tuner Bracket Holder Mounting 2751444

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6925945

BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness Loom

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9226881

BMW 1 Series F20 F20N F21 F21N LCI Radio Aerial Antenna Amplifier AM/FM 9226881

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8373901

BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7316535

BMW F20 F22 F30 Sliding Sunroof Drive Motor Unit Webasto 7193398

€42.95

Free delivery - Tue, Nov 25

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Part no. 9153802

BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9153802

€146.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9301308

BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6938217

BMW 3 Series E90 E91 Wiring Loom Cable Front Door Left Passenger Side 6938217

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9118101

BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9113348

BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6911519

BMW E65 E66 E67 Wiper Switch Stalk Steering Column Wheel 6911519

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7806042

Mini R55 R56 Connecting Wiring Cable Cooper D W16 Diesel 7806042

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8616810

BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 Battery Cable Connecying Line

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6958526

BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7011612

BMW 7 Series E65 E66 E67 Centre Console Coinbox With Vent Storage Compartment

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6956744

BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7558911

BMW 1 Series E81 E82 E87N E88 NOx Cable Wiring Petrol 7558911 12517558911

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8583657

Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8580061

BMW F40 F48 Mini F55 F56 Battery Starter Cable Wiring Loom B47B B47D 8580061

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8509105

BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2709060026

Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A2709060026

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6989068-PS

Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 93970000052

Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9470037

Differential Locking Module BMW F40 F48 Rear Axle Control Unit ECU 9470037

€75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009828223

Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0025428819

Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 2379303

Engine Wiring Mini One F57 Petrol B38 Loom Cable Harness Injector Module 2379303

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8617722

Wiring Harness BMW F48 Mini F55 F56 B38 Petrol Engine Servotronic Module 8617722

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2034404532

Mercedes CLC-Class CL203 Rear Parking Sensor Wiring Loom Cable PDC A2034404532

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9371130

BMW F30 Seat Control Unit Seat Module Unit Controller ECU 9371130

€47.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2048702126

Mercedes W204 Door Module Control Unit Module Front Right O/S A2048702126

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9134668

Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668

€56.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009007607

Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8795213

BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212

€47.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8507924

Gearbox Wiring BMW F20 F30 125d 325d N47S1 Engine Loom Harness Cables 8507924

€56.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7605061

Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061

€66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6963014

BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8507398

Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6512011909

Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8512415-5

Mini Cooper D R56 LCI N47N 112HP Engine ECU Kit DDE 8512415 CAS3 Key Automatic

€275.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0141541102

Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2129001227

Gateway Control Unit Mercedes W204 W212 Gateway Module ECU VST A2129001227

Product currently unavailable

Part no. A2048702626

Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048702626

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2034400033-2

Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2048210197

Door Cable Guide Mercedes W204 Front Wiring Loom Harness Channel A2048210197

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8576484

BMW X3 G01 G20 G21 G30 G31 Starter Acoustic Vibration Plug 8576484 8588900

€23.95

Free delivery - Tue, Nov 25

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Part no. 9236520

BMW X1 E84 Front Bumper Loom Cable Harness Parking Sensors PDC Wiring 9191449

€47.95

Free delivery - Tue, Nov 25

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Part no. 9128569-2

Wiring Harness BMW E81 E82 E87 LCI E88 Air Valve Air Flap Cable Wire 9128569

€23.95

Free delivery - Tue, Nov 25

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Part no. 8579420

BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625

€56.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 2751617

Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9195756-1

BMW E60 LCI Radio Player M-ASK M-Audio System Controller Head Unit 9195756

€104.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7645837

BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837

€113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9286236

BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9264573-1

BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573

€23.95

Free delivery - Tue, Nov 25

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Part no. 8617778

Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8617778

€23.95

Free delivery - Tue, Nov 25

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Part no. 8601245

Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7647591

Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6394407810

Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8617703

Engine Wiring Mini F56 Cooper S B46 B48 Valvetronic Cable Loom Harness 8617703

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8625074

Engine Wiring Mini F55 F56 Cooper S Petrol B46 B48 Cable Loom Harness 8625074

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2125400035

Earth Ground Cable Mercedes W204 W207 W212 Battery Starter Wiring A2125400035

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

...

Showing 4852-4950 of 11791 products

Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.

Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
Starters – Key components of the starting system that enable the engine to be started.
Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

Problems starting the engine.
Failure of safety systems such as ABS or airbags.
Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

Symptom	Possible cause	Item to check
Difficulty starting the engine	Worn out starter or battery	Starter motor, battery
Dimming the lights	Inefficient alternator	Alternator, voltage regulator
Electric windows not working	Damaged relays or harness	Relays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
Ecology – You support recycling and reduce waste by choosing used car parts .
Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

Regularly check the battery condition and charge level.
Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

Question	Answer
What is a car electrical system?	This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?	The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?	The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?	Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?	Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?	Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?	It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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